Mitosis

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What is mitosis?

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Mitosis is the process of cell division in which a single cell divides to produce two identical daughter cells, each with the same number of chromosomes as the original cell.

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What is the primary purpose of mitosis in multi-cellular organisms?

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The primary purpose of mitosis in multi-cellular organisms is to replace damaged or dead cells, allowing for growth and tissue repair.

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How many phases are there in mitosis?

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There are five main phases in mitosis: Prophase, Metaphase, Anaphase, Telophase, and Cytokinesis.

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Front

What happens during prophase?

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During prophase, the chromatin condenses into visible chromosomes, the nuclear envelope breaks down, and the mitotic spindle begins to form.

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NGSS.HS-LS1-4

Front

What occurs during metaphase?

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During metaphase, chromosomes line up at the cell's equatorial plane, and spindle fibers attach to the centromeres of the chromosomes.

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Front

What is anaphase?

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Anaphase is the stage of mitosis where sister chromatids are pulled apart to opposite poles of the cell.

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Front

What happens during telophase?

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During telophase, the chromosomes reach the poles, the nuclear envelope re-forms around each set of chromosomes, and the chromosomes begin to de-condense.

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Front

What is cytokinesis?

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Cytokinesis is the final stage of cell division where the cytoplasm divides, resulting in two separate daughter cells.

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Front

What is the difference between mitosis and meiosis?

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Mitosis results in two identical daughter cells, while meiosis results in four genetically diverse gametes.

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Front

What role do spindle fibers play in mitosis?

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Spindle fibers help separate the chromosomes during mitosis by attaching to the centromeres and pulling them apart.

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